Product category:
Liquid Analysis: Titration, HPLC, IC
News Release from: Selerity Technologies | Subject: Polaratherm
Edited by the Processingtalk Editorial
Team on 23 August 2004
Temperature control enables greener
chemistry
Selerity Technologies has further demonstrated that its Polaratherm total temperature controller is completely geared towards cleaner and environmentally friendly method development in the modern lab.
Temperature programmed liquid chromatography (TPLC) specialist, Selerity Technologies has further demonstrated that its Polaratherm total temperature controller is completely geared towards cleaner and environmentally friendly method development in the modern laboratory Separations of sulfonamides carried out by the Research Institute for Chromatography (Kontrijk, Belgium), Selerity's European partner, using the instrument have demonstrated that green solvent mixtures can replace toxic and hazardous mobile phase compositions
This article was originally published on Processingtalk on 18 Aug 2004 at 8.00am (UK)
Related stories
Improved Carotenoid separations at low temperature
Selerity Technologies has successfully demonstrated that its Polaratherm total temperature controller can significantly improve sub-ambient separations of carotenoids
Polaratherm stops degradation in HPLC separations
TPLC specialist Selerity Technologies demonstrates that Polaratherm - a high temperature liquid chromatograph with a patented pre-heater - can separate compounds recognized to thermally decompose
In the USA, the Pollution Prevention Act (1990) has already provided the impetus for a number of public and private organisations to develop green chemistry programmes and this trend is growing worldwide as legislation and standards become more stringent.
As copious amounts of hazardous chemicals are generated when performing HPLC separations, using superheated water and/or ethanol in chromatographic runs provides a serious alternative to more traditional methods.
RIC's controlled experiments expose the feasibility of using a green solvent mixture of ethanol and water as a mobile phase composition instead of an acetronitrile and water mixture by applying a TPLC technique.
Preheating of the mobile phase is essential to optimise results and Selerity's Polaratherm, with its innovative preheater design that eliminates band broadening ("thermal mismatch"), was used to perform the separations.
The Polaratherm's preheater assembly is calibrated to the oven temperature upon installation to ensure that the mobile phase temperature closely follows that of the column compartment.
The control remains independent from that of the oven cavity to allow for peak focusing when the need arises.
• Selerity Technologies: contact details and other news
• Email this article to a colleague
• Register for the free Processingtalk email newsletter
• Processingtalk Home Page
Search the Pro-Talk network of sites
